Home / 109,643.14-164,485.44-34,782.12

Finding the Fourth Proportional to 109,643.14, 164,485.44 and 34,782.12

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Solution

The fourth proportional to 109,643.14, 164,485.44 and 34,782.12 is: 52,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,643.14 : 164,485.44 = 34,782.12 : x
  2. Step 2: Convert to fraction form
    109,643.14/164,485.44 = 34,782.12/x
  3. Step 3: Cross multiply
    109,643.14x = 164,485.44 × 34,782.12
  4. Step 4: Simplify right side
    109,643.14x = 5,721,152,312.33
  5. Step 5: Solve for x
    x = 5,721,152,312.33/109,643.14
  6. Step 6: Final answer
    x = 52,179.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.